Home / 18,834.06-28,257.57-8,453.10

Finding the Fourth Proportional to 18,834.06, 28,257.57 and 8,453.10

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Solution

The fourth proportional to 18,834.06, 28,257.57 and 8,453.10 is: 12,682.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,834.06 : 28,257.57 = 8,453.10 : x
  2. Step 2: Convert to fraction form
    18,834.06/28,257.57 = 8,453.10/x
  3. Step 3: Cross multiply
    18,834.06x = 28,257.57 × 8,453.10
  4. Step 4: Simplify right side
    18,834.06x = 238,864,064.97
  5. Step 5: Solve for x
    x = 238,864,064.97/18,834.06
  6. Step 6: Final answer
    x = 12,682.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.